/*
 * Copyright 2012 The Netty Project
 *
 * The Netty Project licenses this file to you under the Apache License,
 * version 2.0 (the "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at:
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations
 * under the License.
 */
package com.phei.netty.basic;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelHandlerAdapter;
import io.netty.channel.ChannelHandlerContext;

/**
 * @author lilinfeng
 * @version 1.0
 * @date 2014年2月14日
 */
public class TimeServerHandler extends ChannelHandlerAdapter {

	@Override
	public void channelRead( ChannelHandlerContext ctx, Object msg ) throws Exception {
		ByteBuf buf = (ByteBuf) msg;
		byte[] req = new byte[buf.readableBytes( )];
		buf.readBytes( req );
		String body = new String( req, "UTF-8" );
		System.out.println( "The time server receive order : " + body );
		String currentTime = "QUERY TIME ORDER".equalsIgnoreCase( body ) ? new java.util.Date( System.currentTimeMillis( ) ).toString( ) : "BAD ORDER";
		ByteBuf resp = Unpooled.copiedBuffer( currentTime.getBytes( ) );
		ctx.write( resp );
	}

	@Override
	public void channelReadComplete( ChannelHandlerContext ctx ) throws Exception {
		ctx.flush( );
	}

	@Override
	public void exceptionCaught( ChannelHandlerContext ctx, Throwable cause ) {
		ctx.close( );
	}
}
